Move xfa/src up to xfa/.

xfa/src/fgas/crt/fgas_memory.cpp

Index: xfa/src/fgas/crt/fgas_memory.cpp
diff --git a/xfa/src/fgas/crt/fgas_memory.cpp b/xfa/src/fgas/crt/fgas_memory.cpp
deleted file mode 100644
index c88c7e3aace565c4e3803fb883a3b7b788aa2b68..0000000000000000000000000000000000000000
--- a/xfa/src/fgas/crt/fgas_memory.cpp
+++ /dev/null
@@ -1,446 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/src/fgas/crt/fgas_memory.h"
-
-#include <algorithm>
-
-namespace {
-
-class CFX_DefStore : public IFX_MEMAllocator, public CFX_Target {
- public:
-  CFX_DefStore() {}
-  ~CFX_DefStore() {}
-  virtual void Release() { delete this; }
-  virtual void* Alloc(size_t size) { return FX_Alloc(uint8_t, size); }
-  virtual void Free(void* pBlock) { FX_Free(pBlock); }
-  virtual size_t GetBlockSize() const { return 0; }
-  virtual size_t GetDefChunkSize() const { return 0; }
-  virtual size_t SetDefChunkSize(size_t size) { return 0; }
-  virtual size_t GetCurrentDataSize() const { return 0; }
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_STATICSTORECHUNK {
-  FX_STATICSTORECHUNK* pNextChunk;
-  size_t iChunkSize;
-  size_t iFreeSize;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_StaticStore : public IFX_MEMAllocator, public CFX_Target {
- public:
-  CFX_StaticStore(size_t iDefChunkSize = 4096);
-  ~CFX_StaticStore();
-  virtual void Release() { delete this; }
-  virtual void* Alloc(size_t size);
-  virtual void Free(void* pBlock) {}
-  virtual size_t GetBlockSize() const { return 0; }
-  virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
-  virtual size_t SetDefChunkSize(size_t size);
-  virtual size_t GetCurrentDataSize() const { return m_iAllocatedSize; }
-
- protected:
-  size_t m_iAllocatedSize;
-  size_t m_iDefChunkSize;
-  FX_STATICSTORECHUNK* m_pChunk;
-  FX_STATICSTORECHUNK* m_pLastChunk;
-  FX_STATICSTORECHUNK* AllocChunk(size_t size);
-  FX_STATICSTORECHUNK* FindChunk(size_t size);
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_FIXEDSTORECHUNK {
-  uint8_t* FirstFlag() { return reinterpret_cast<uint8_t*>(this + 1); }
-  uint8_t* FirstBlock() { return FirstFlag() + iChunkSize; }
-
-  FX_FIXEDSTORECHUNK* pNextChunk;
-  size_t iChunkSize;
-  size_t iFreeNum;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_FixedStore : public IFX_MEMAllocator, public CFX_Target {
- public:
-  CFX_FixedStore(size_t iBlockSize, size_t iBlockNumsInChunk);
-  virtual ~CFX_FixedStore();
-  virtual void Release() { delete this; }
-  virtual void* Alloc(size_t size);
-  virtual void Free(void* pBlock);
-  virtual size_t GetBlockSize() const { return m_iBlockSize; }
-  virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
-  virtual size_t SetDefChunkSize(size_t iChunkSize);
-  virtual size_t GetCurrentDataSize() const { return 0; }
-
- protected:
-  FX_FIXEDSTORECHUNK* AllocChunk();
-
-  size_t m_iBlockSize;
-  size_t m_iDefChunkSize;
-  FX_FIXEDSTORECHUNK* m_pChunk;
-};
-
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(push, 1)
-#endif
-struct FX_DYNAMICSTOREBLOCK {
-  uint8_t* Data() { return reinterpret_cast<uint8_t*>(this + 1); }
-  FX_DYNAMICSTOREBLOCK* NextBlock() {
-    return reinterpret_cast<FX_DYNAMICSTOREBLOCK*>(Data() + iBlockSize);
-  }
-  size_t iBlockSize;
-  FX_BOOL bUsed;
-};
-
-struct FX_DYNAMICSTORECHUNK {
-  FX_DYNAMICSTOREBLOCK* FirstBlock() {
-    return reinterpret_cast<FX_DYNAMICSTOREBLOCK*>(this + 1);
-  }
-  FX_DYNAMICSTORECHUNK* pNextChunk;
-  size_t iChunkSize;
-  size_t iFreeSize;
-};
-#if _FX_OS_ != _FX_ANDROID_
-#pragma pack(pop)
-#endif
-
-class CFX_DynamicStore : public IFX_MEMAllocator, public CFX_Target {
- public:
-  CFX_DynamicStore(size_t iDefChunkSize = 4096);
-  virtual ~CFX_DynamicStore();
-  virtual void Release() { delete this; }
-  virtual void* Alloc(size_t size);
-  virtual void Free(void* pBlock);
-  virtual size_t GetBlockSize() const { return 0; }
-  virtual size_t GetDefChunkSize() const { return m_iDefChunkSize; }
-  virtual size_t SetDefChunkSize(size_t size);
-  virtual size_t GetCurrentDataSize() const { return 0; }
-
- protected:
-  FX_DYNAMICSTORECHUNK* AllocChunk(size_t size);
-
-  size_t m_iDefChunkSize;
-  FX_DYNAMICSTORECHUNK* m_pChunk;
-};
-
-}  // namespace
-
-#define FX_4BYTEALIGN(size) (((size) + 3) / 4 * 4)
-
-IFX_MEMAllocator* FX_CreateAllocator(FX_ALLOCTYPE eType,
-                                     size_t chunkSize,
-                                     size_t blockSize) {
-  switch (eType) {
-    case FX_ALLOCTYPE_Dynamic:
-      return new CFX_DynamicStore(chunkSize);
-    case FX_ALLOCTYPE_Default:
-      return new CFX_DefStore();
-    case FX_ALLOCTYPE_Static:
-      return new CFX_StaticStore(chunkSize);
-    case FX_ALLOCTYPE_Fixed:
-      return new CFX_FixedStore(blockSize, chunkSize);
-    default:
-      return NULL;
-  }
-}
-CFX_StaticStore::CFX_StaticStore(size_t iDefChunkSize)
-    : m_iAllocatedSize(0),
-      m_iDefChunkSize(iDefChunkSize),
-      m_pChunk(NULL),
-      m_pLastChunk(NULL) {
-  FXSYS_assert(m_iDefChunkSize != 0);
-}
-CFX_StaticStore::~CFX_StaticStore() {
-  FX_STATICSTORECHUNK* pChunk = m_pChunk;
-  while (pChunk) {
-    FX_STATICSTORECHUNK* pNext = pChunk->pNextChunk;
-    FX_Free(pChunk);
-    pChunk = pNext;
-  }
-}
-FX_STATICSTORECHUNK* CFX_StaticStore::AllocChunk(size_t size) {
-  FXSYS_assert(size != 0);
-  FX_STATICSTORECHUNK* pChunk = (FX_STATICSTORECHUNK*)FX_Alloc(
-      uint8_t, sizeof(FX_STATICSTORECHUNK) + size);
-  pChunk->iChunkSize = size;
-  pChunk->iFreeSize = size;
-  pChunk->pNextChunk = NULL;
-  if (m_pLastChunk == NULL) {
-    m_pChunk = pChunk;
-  } else {
-    m_pLastChunk->pNextChunk = pChunk;
-  }
-  m_pLastChunk = pChunk;
-  return pChunk;
-}
-FX_STATICSTORECHUNK* CFX_StaticStore::FindChunk(size_t size) {
-  FXSYS_assert(size != 0);
-  if (m_pLastChunk == NULL || m_pLastChunk->iFreeSize < size) {
-    return AllocChunk(std::max(m_iDefChunkSize, size));
-  }
-  return m_pLastChunk;
-}
-void* CFX_StaticStore::Alloc(size_t size) {
-  size = FX_4BYTEALIGN(size);
-  FXSYS_assert(size != 0);
-  FX_STATICSTORECHUNK* pChunk = FindChunk(size);
-  FXSYS_assert(pChunk->iFreeSize >= size);
-  uint8_t* p = (uint8_t*)pChunk;
-  p += sizeof(FX_STATICSTORECHUNK) + pChunk->iChunkSize - pChunk->iFreeSize;
-  pChunk->iFreeSize -= size;
-  m_iAllocatedSize += size;
-  return p;
-}
-size_t CFX_StaticStore::SetDefChunkSize(size_t size) {
-  FXSYS_assert(size != 0);
-  size_t v = m_iDefChunkSize;
-  m_iDefChunkSize = size;
-  return v;
-}
-CFX_FixedStore::CFX_FixedStore(size_t iBlockSize, size_t iBlockNumsInChunk)
-    : m_iBlockSize(FX_4BYTEALIGN(iBlockSize)),
-      m_iDefChunkSize(FX_4BYTEALIGN(iBlockNumsInChunk)),
-      m_pChunk(NULL) {
-  FXSYS_assert(m_iBlockSize != 0 && m_iDefChunkSize != 0);
-}
-CFX_FixedStore::~CFX_FixedStore() {
-  FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
-  while (pChunk) {
-    FX_FIXEDSTORECHUNK* pNext = pChunk->pNextChunk;
-    FX_Free(pChunk);
-    pChunk = pNext;
-  }
-}
-FX_FIXEDSTORECHUNK* CFX_FixedStore::AllocChunk() {
-  int32_t iTotalSize = sizeof(FX_FIXEDSTORECHUNK) + m_iDefChunkSize +
-                       m_iBlockSize * m_iDefChunkSize;
-  FX_FIXEDSTORECHUNK* pChunk =
-      (FX_FIXEDSTORECHUNK*)FX_Alloc(uint8_t, iTotalSize);
-  if (pChunk == NULL) {
-    return NULL;
-  }
-  FXSYS_memset(pChunk->FirstFlag(), 0, m_iDefChunkSize);
-  pChunk->pNextChunk = m_pChunk;
-  pChunk->iChunkSize = m_iDefChunkSize;
-  pChunk->iFreeNum = m_iDefChunkSize;
-  m_pChunk = pChunk;
-  return pChunk;
-}
-void* CFX_FixedStore::Alloc(size_t size) {
-  if (size > m_iBlockSize) {
-    return NULL;
-  }
-  FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
-  while (pChunk != NULL) {
-    if (pChunk->iFreeNum > 0) {
-      break;
-    }
-    pChunk = pChunk->pNextChunk;
-  }
-  if (pChunk == NULL) {
-    pChunk = AllocChunk();
-  }
-  FXSYS_assert(pChunk != NULL);
-  uint8_t* pFlags = pChunk->FirstFlag();
-  size_t i = 0;
-  for (; i < pChunk->iChunkSize; i++)
-    if (pFlags[i] == 0) {
-      break;
-    }
-  FXSYS_assert(i < pChunk->iChunkSize);
-  pFlags[i] = 1;
-  pChunk->iFreeNum--;
-  return pChunk->FirstBlock() + i * m_iBlockSize;
-}
-void CFX_FixedStore::Free(void* pBlock) {
-  FXSYS_assert(pBlock != NULL);
-  FX_FIXEDSTORECHUNK* pPrior = NULL;
-  FX_FIXEDSTORECHUNK* pChunk = m_pChunk;
-  uint8_t* pStart = NULL;
-  uint8_t* pEnd;
-  while (pChunk != NULL) {
-    pStart = pChunk->FirstBlock();
-    if (pBlock >= pStart) {
-      pEnd = pStart + m_iBlockSize * pChunk->iChunkSize;
-      if (pBlock < pEnd) {
-        break;
-      }
-    }
-    pPrior = pChunk, pChunk = pChunk->pNextChunk;
-  }
-  FXSYS_assert(pChunk != NULL);
-  size_t iPos = ((uint8_t*)pBlock - pStart) / m_iBlockSize;
-  FXSYS_assert(iPos < pChunk->iChunkSize);
-  uint8_t* pFlags = pChunk->FirstFlag();
-  if (pFlags[iPos] == 0) {
-    return;
-  }
-  pFlags[iPos] = 0;
-  pChunk->iFreeNum++;
-  if (pChunk->iFreeNum == pChunk->iChunkSize) {
-    if (pPrior == NULL) {
-      m_pChunk = pChunk->pNextChunk;
-    } else {
-      pPrior->pNextChunk = pChunk->pNextChunk;
-    }
-    FX_Free(pChunk);
-  }
-}
-size_t CFX_FixedStore::SetDefChunkSize(size_t iChunkSize) {
-  FXSYS_assert(iChunkSize != 0);
-  size_t v = m_iDefChunkSize;
-  m_iDefChunkSize = FX_4BYTEALIGN(iChunkSize);
-  return v;
-}
-CFX_DynamicStore::CFX_DynamicStore(size_t iDefChunkSize)
-    : m_iDefChunkSize(iDefChunkSize), m_pChunk(NULL) {
-  FXSYS_assert(m_iDefChunkSize != 0);
-}
-CFX_DynamicStore::~CFX_DynamicStore() {
-  FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
-  while (pChunk) {
-    FX_DYNAMICSTORECHUNK* pNext = pChunk->pNextChunk;
-    FX_Free(pChunk);
-    pChunk = pNext;
-  }
-}
-FX_DYNAMICSTORECHUNK* CFX_DynamicStore::AllocChunk(size_t size) {
-  FXSYS_assert(size != 0);
-  FX_DYNAMICSTORECHUNK* pChunk = (FX_DYNAMICSTORECHUNK*)FX_Alloc(
-      uint8_t,
-      sizeof(FX_DYNAMICSTORECHUNK) + sizeof(FX_DYNAMICSTOREBLOCK) * 2 + size);
-  if (pChunk == NULL) {
-    return NULL;
-  }
-  pChunk->iChunkSize = size;
-  pChunk->iFreeSize = size;
-  FX_DYNAMICSTOREBLOCK* pBlock = pChunk->FirstBlock();
-  pBlock->iBlockSize = size;
-  pBlock->bUsed = FALSE;
-  pBlock = pBlock->NextBlock();
-  pBlock->iBlockSize = 0;
-  pBlock->bUsed = TRUE;
-  if (m_pChunk != NULL && size >= m_iDefChunkSize) {
-    FX_DYNAMICSTORECHUNK* pLast = m_pChunk;
-    while (pLast->pNextChunk != NULL) {
-      pLast = pLast->pNextChunk;
-    }
-    pLast->pNextChunk = pChunk;
-    pChunk->pNextChunk = NULL;
-  } else {
-    pChunk->pNextChunk = m_pChunk;
-    m_pChunk = pChunk;
-  }
-  return pChunk;
-}
-void* CFX_DynamicStore::Alloc(size_t size) {
-  size = FX_4BYTEALIGN(size);
-  FXSYS_assert(size != 0);
-  FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
-  FX_DYNAMICSTOREBLOCK* pBlock = NULL;
-  while (pChunk != NULL) {
-    if (pChunk->iFreeSize >= size) {
-      pBlock = pChunk->FirstBlock();
-      FX_BOOL bFind = FALSE;
-      while (pBlock->iBlockSize != 0) {
-        if (!pBlock->bUsed && pBlock->iBlockSize >= size) {
-          bFind = TRUE;
-          break;
-        }
-        pBlock = pBlock->NextBlock();
-      }
-      if (bFind) {
-        break;
-      }
-    }
-    pChunk = pChunk->pNextChunk;
-  }
-  if (pChunk == NULL) {
-    pChunk = AllocChunk(std::max(m_iDefChunkSize, size));
-    pBlock = pChunk->FirstBlock();
-  }
-  FXSYS_assert(pChunk != NULL && pBlock != NULL);
-  size_t m = size + sizeof(FX_DYNAMICSTOREBLOCK);
-  pBlock->bUsed = TRUE;
-  if (pBlock->iBlockSize > m) {
-    size_t n = pBlock->iBlockSize;
-    pBlock->iBlockSize = size;
-    FX_DYNAMICSTOREBLOCK* pNextBlock = pBlock->NextBlock();
-    pNextBlock->bUsed = FALSE;
-    pNextBlock->iBlockSize = n - size - sizeof(FX_DYNAMICSTOREBLOCK);
-    pChunk->iFreeSize -= size + sizeof(FX_DYNAMICSTOREBLOCK);
-  } else {
-    pChunk->iFreeSize -= pBlock->iBlockSize;
-  }
-  return pBlock->Data();
-}
-void CFX_DynamicStore::Free(void* pBlock) {
-  FXSYS_assert(pBlock != NULL);
-  FX_DYNAMICSTORECHUNK* pPriorChunk = NULL;
-  FX_DYNAMICSTORECHUNK* pChunk = m_pChunk;
-  while (pChunk != NULL) {
-    if (pBlock > pChunk &&
-        pBlock <= ((uint8_t*)pChunk + sizeof(FX_DYNAMICSTORECHUNK) +
-                   pChunk->iChunkSize)) {
-      break;
-    }
-    pPriorChunk = pChunk, pChunk = pChunk->pNextChunk;
-  }
-  FXSYS_assert(pChunk != NULL);
-  FX_DYNAMICSTOREBLOCK* pPriorBlock = NULL;
-  FX_DYNAMICSTOREBLOCK* pFindBlock = pChunk->FirstBlock();
-  while (pFindBlock->iBlockSize != 0) {
-    if (pBlock == (void*)pFindBlock->Data()) {
-      break;
-    }
-    pPriorBlock = pFindBlock;
-    pFindBlock = pFindBlock->NextBlock();
-  }
-  FXSYS_assert(pFindBlock->iBlockSize != 0 && pFindBlock->bUsed &&
-               pBlock == (void*)pFindBlock->Data());
-  pFindBlock->bUsed = FALSE;
-  pChunk->iFreeSize += pFindBlock->iBlockSize;
-  if (pPriorBlock == NULL) {
-    pPriorBlock = pChunk->FirstBlock();
-  } else if (pPriorBlock->bUsed) {
-    pPriorBlock = pFindBlock;
-  }
-  pFindBlock = pPriorBlock;
-  size_t sizeFree = 0;
-  size_t sizeBlock = 0;
-  while (pFindBlock->iBlockSize != 0 && !pFindBlock->bUsed) {
-    if (pFindBlock != pPriorBlock) {
-      sizeFree += sizeof(FX_DYNAMICSTOREBLOCK);
-      sizeBlock += sizeof(FX_DYNAMICSTOREBLOCK);
-    }
-    sizeBlock += pFindBlock->iBlockSize;
-    pFindBlock = pFindBlock->NextBlock();
-  }
-  pPriorBlock->iBlockSize = sizeBlock;
-  pChunk->iFreeSize += sizeFree;
-  if (pChunk->iFreeSize == pChunk->iChunkSize) {
-    if (pPriorChunk == NULL) {
-      m_pChunk = pChunk->pNextChunk;
-    } else {
-      pPriorChunk->pNextChunk = pChunk->pNextChunk;
-    }
-    FX_Free(pChunk);
-  }
-}
-size_t CFX_DynamicStore::SetDefChunkSize(size_t size) {
-  FXSYS_assert(size != 0);
-  size_t v = m_iDefChunkSize;
-  m_iDefChunkSize = size;
-  return v;
-}